Starrett 449MBZ-75R Depth Micrometer Set; 0-75mm Range-3 Rods

The Starrett 449MBZ-75R Depth Micrometer Set with Non-rotating Blades has a measuring Range of 0-75mm, 0.01mm Graduations, 100mm Base Length and includes 3 Measuring Rods with a 1.2 X 3.2mm diameter in a padded case. This model includes a Ratchet thimble and Plain Lock Nut. While the blades on this micrometer do not rotate, it can be turned with fingers and positioned at any angle relative to the base, perpendicularly only. Measures the depths of holes, slots, shoulders and projections and includes a combination ratchet and speeder for uniform pressure and quicker adjustment.